Thread: 127mm ED Triplet for $1199 at VTI Optics
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Old 18-12-2012, 03:02 PM
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MortonH
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Join Date: Nov 2006
Location: Sydney
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James at VTI contacted North Group and they have advised that the ED glass is Hoya FCD1, which I think is the same as the Explore Scientific ED127.
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